CN1104751A - Cooling air ventilation device for induction heating jar - Google Patents
Cooling air ventilation device for induction heating jar Download PDFInfo
- Publication number
- CN1104751A CN1104751A CN94115360A CN94115360A CN1104751A CN 1104751 A CN1104751 A CN 1104751A CN 94115360 A CN94115360 A CN 94115360A CN 94115360 A CN94115360 A CN 94115360A CN 1104751 A CN1104751 A CN 1104751A
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- CN
- China
- Prior art keywords
- air
- mentioned
- cooling air
- pot
- ventilation device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The invention relates to a cooling air ventilation device of an inductive heating pot.The ventilation device can prevent containing impurity cooling air from passing through a control PCB and controller parts, thereby avoiding the failures of the control PCB and controller parts caused by the impurity such as dust and moisture in the cooling air. The device also protects a display apparatus against the infiltration of containing impurity air, thereby preventing the display apparatus from getting blurring because of the impurity. The device comprises a ventilation path which is used to guide the outside air inside the suction part. An air-stream guider is arranged on an operating coil base in order to prevent the outside air from entering the control parts, the control PCB, and the display apparatus and to guide the outside air to a cooling-awaited switching component.
Description
The present invention relates generally to the cooling air ventilation device of induction heating jar, be particularly related to a kind of structural improvement in this class ventilation unit, in order to prevent cooling off dust in air and moisture enters control assembly, control printed circuit board (pcb) and all these parts of display break down owing to dust and moisture so prevented induction heating jar.
Indirectly to pot heating in it, different therewith is that general induction heating jar is to use the strong magnetic line of force rice in the pot in being contained in is boiled to general electricity pot by its heat conversion heater.Because use the strong magnetic line of force, induction heating jar can produce the high heating power of 1300W at least, this is than the heating power height of the general about 1000W of electric heating cooker.This high heating power produces high heat, and this high heat makes induction heating jar to finish boiling of required rice in the short time, so induction heating jar can provide delicious rice naturally.
With only internally heating general electricity pot in the bottom of pot is different, induction heating jar heats all parts of pot in it equably, so where rice all boils it in pot equably no matter cause uniform convection current in pot.Promptly the rice of the rice at top and bottom in pot is boiled when application is boiled during induction heating jar meter equally equably in pot.For that reason, induction heating jar is used widely in recent years.
Referring to Fig. 1, a typical induction heating jar shown in it.
The principal part of induction heating jar is marked with label 1 among Fig. 1.What be placed on main body 1 inside is an interior pot 11 that is made of metal.Should generally have the double-decker formation by interior pot 11, inside is aluminium, and the outside is a stainless steel.Pot 11 outer bottoms is a furnace bottom 23 in placing, in this furnace bottom not only is used to make pot 11 location and also prevent in the bottom of a pan directly contact with induction coil 21 on placing furnace bottom 23.The center drilling of furnace bottom 23 and form the hole 23a of predetermined size diameter.Around furnace bottom 23 outer bottoms be actuating coil bottom accessory 4, this accessory is used for fixing and supports induction coil 21 and ferrite 20.Induction coil 21 produces the strong magnetic line of force when powering up.The effect of ferrite 20 is a kind of reflectors, be used for upwards or inwardly the direction of pot 11 converge the magnetic line of force that is produced by induction coil 21.
As if described such to furnace bottom 23, the center of actuating coil bottom accessory 4 also has the hole and forms the hole 24a with predetermined diameter.Run through the predetermined value footpath hole 23a and the 24a that place furnace bottom 23 and bottom accessory 4.What run through the predetermined value footpath hole 23a that places furnace bottom 23 and bottom accessory 4 and 24a is pot sensor cluster 5, comprises a pot temperature sensor and a pot re-transmission sensor, and two sensors are all not shown in Fig. 1.Pot sensor cluster 5 has the convex shoulder 5b of the pre-sizing in top.The top of the convex shoulder 5b of this assembly 5 contacts with the outer bottom of pot 11.On the axle of pot sensor cluster 5 spring 5a is housed.Flange 5c is equipped with in the bottom of aluminium sensor 5, and this flange is fixed on the bottom of actuating coil base assemblies 5 again.Power supply PCB(printed circuit board) 6 are used for to induction coil 21 adaptive power supplies, and this PCB places under the actuating coil base assemblies 4.To boil in meter process heat that the switching device 6a by power supply PCB6 is produced in order being scattered in, the thin-plate heat radiator of being made by aluminium sheet to be housed at the uper side surface of power supply PCB6.
The bottom side surface of power supply PCB6 is equipped with fan 8, and this fan is the device heat that 6a produces that is used to cool off the upper surface that places power supply PCB6.The inspiratory component 27 that makes extraneous air enter main body 1 is fixed on the outer bottom of main body 1, just under fan 8, as shown in Figure 2.Extraneous air is by power importing main body 1 and cooling the electro-heat equipment 6a on power supply PCB6 of this inspiratory component 27 by fan 8, and after having cooled off device 6a, air is discharged in the air by the exhaust outlet on the rear wall that is contained in main body 1.
Sense celebrating heating pot also comprises control PCB26 and display 19, the front end preposition in main body 1 as shown in fig. 1.The installing of control PCB26 and display 19 is respectively applied for the function of this pot of control and is used for showing thereon by the control feature content that PCB26 controlled.Placing control under the PCB26 is controller part 13, and these parts comprise power supply changeover device (not shown) and various functional circuit (not shown).Wherein, power supply changeover device is used for that high voltage is imported electric energy and is converted to the low-voltage electric energy.In pot 11 top cover by lid 2, this lid be equipped with annular in cover 14.Lid 14 is fixed on and covers 2 inner surface and the adiabatic disks 15 that is fixed on inner cap 14 inboards is housed in the annular.The annular furnace envelope is housed below inner cap 14, and its top contacts with the basal surface of inner cap 14, and its underpart contacts with the outer side edges of the upper end of interior pot 11.The installing of stove envelope 16 is in order to prevent that boiling thing in the process of cooking may flow out from pot.Heater top assembly 17 is housed below adiabatic disks 15, is used to produce predetermined temperature.The upper bond of the outer rim of heater top assembly 17 and stove envelope 16.Heater top assembly 17 heart therein has perforate and forms the hole 17a of predetermined diameter.
Bell 30 is housed under heater top assembly 17, and this bell has covered the top of interior pot 11.The upper surface of the outer side edges of pot cover 30 contacts with the bottom surface of the outer side edges of heater top assembly 17.The basal surface of the outer side edges of bell 30 contacts with the upper surface of the top of interior pot 11.With identical to the describing mode of top heater assembly 17, bell 30 also perforate and form the hole 30a of predetermined diameter of the heart therein.Run through at the formed hole 17a in center of top heating component 17 and bell 30 and 30a and to be placed with central seal assembly 18.Central seal assembly 18 comprises the seal 18a and the seal bar 18b that can slip into hollow sealing body 18a of back taper hollow.The top of seal bar 18b is an annulus spare, and the bottom of seal bar 18b is the termination part (not shown) of a predetermined diameter.The top annulus spare of sealing rod 18b matches with the centre bore 17a of heater top assembly 17, and the lower end spare of seal bar 18b can slip in the (not shown) of formed hole in seal 18a simultaneously.The installing that please notes central seal assembly 18 is that temperature for the pressure of discharging a part of pot 11 the insides is in air, so that keep constant pressure and predetermined temperature predetermined in the pot 11.
It is hinged that lid 2 carries out pivoting by hinge 3 and main body 1.Lid 2 comprises upper box 12, this casing form cover 2 around parts and support and control PCB26 and on device and as the supporter that covers.Around the outer surface of the upper side wall of interior pot 11 are cylindrical so refractory plates 9.Pot 11 plays positioning action and the heater (not shown) is housed in 9 pairs of this refractory plates, is used for preventing effectively conducting heat to pot 11 outsides from interior pot 11 at the process of cooking or pot insulating process.9 times side coil 24 is housed at face of cylinder refractory plate, this coil is the part of induction coil 21 but places the top of induction coil 21.The bottom of side coil 24 contacts with the top of furnace bottom 23.
Typical induction heating jar just as clearly shown in Figure 2 is such, and air inhalation part 27 is equipped with in the bottom of the main body 1 of pot.This air inhalation part 27 is shaped as the hat of predetermined diameter, and a plurality of air suction inlets that form on the sidewall of the empty suction fitting 27 of hat are arranged on it.
The rear portion of the main body of typical as shown in Figure 3 induction heating jar, the air of outside is sucked main body 1 by air inhalation part 27 by the strength of fan 8 and will be discharged in the air by the floss hole 28 that forms on main body 1 rear wall after the cooling of the heat that device produced on the power supply PCB6.In typical induction heating jar, this air suction fitting 27 and air discharge ports 28 have constituted the cooling air ventilation device of induction heating jar.
Hereinafter with reference to the typical cooling air ventilation device operating effect that illustrates induction heating jar.When induction coil powered up under interior pot 11 is equipped with the condition of water of rice of scheduled volume, induction coil 21 was used outside dc voltage and is reached continuous resonance.So resonance current flows through induction coil 21 and forms the magnetic line of force that centers on induction coil 21.The magnetic line of force that forms around induction coil 21 has caused the electromagnetic induction effect, and this causes the generation of Joule heat again in interior pot 11.At this moment, be installed in furnace bottom 23 and the hole 23a of the predetermined diameter of the bottom of assembly 4 and detect the 11 interior temperature that take the dish out of the pot, thereby suitably control kettle temperature and reach the well tasting of the rice of being longed for pot sensor cluster 5 among the 24a.
When cooking with above-mentioned induction heating jar, place the switching device 6a on the power supply PCB6 will produce a large amount of heat, the element around this heat can be given causes bad effect.This to the possible bad effect of element on every side in order to prevent, power supply PCB6 has adorned fan 8.
This that is to say that fan 8 rotates when cooking with induction heating jar, so that force extraneous air to be introduced into main body.The extraneous air of being introduced is discharged in the air with the heat that the device 6a of power supply PCB6 is produced by air discharge ports 28.
But, because the cooling air that the strength of fan 8 is incorporated in the main body 1 includes impurity such as dust and moisture.These are easy to cling on controller part 13 with the impurity that extraneous air is introduced in the main body 1, have worsened the operating reliability of induction heating jar so cause the fault of controller 13.
When impurity penetrates into display 19, thereby display 19 thickens and unclearly causes trouble and cause the operating reliability of induction heating jar to worsen to the user.
Thereby an object of the present invention is to provide a kind of cooling air ventilation device that is used for induction heating jar, wherein can overcome the problems referred to above and prevent to contain the impurity air and be introduced main body by control PCB and controller part by fan power, thereby prevented control PCB and controller part owing to these impurity of dust and moisture etc. in the air cause fault, and improved the operating reliability of induction heating jar.
Another object of the present invention provides a kind of ventilation unit of induction heating jar, this device has protected display and has not been subjected to impure cooling air influence, so prevented to penetrate into display and prevent that display is unclear owing to impurity thickens such as impurity such as dust moistures in the air, thereby improved the operating reliability of induction heating jar.
To achieve these goals, the cooling air ventilation device of induction heating jar according to an embodiment of the invention comprises: power supply PCB is used for the actuating coil power supply to heating pot, and this power supply PCB is contained under the actuating coil base assembly that heats in pot main body and has a plurality of switching devices thereon; Be used to produce the power of bleeding with extract extraneous air to main body so that the fan of cold switch device, this fan is contained on the bottom surface of power supply PCB rotatable; Be contained in the air inhalation part of the bottom of fan lower body; The air channel of extraneous air being led by predetermined direction in inspiratory component inside is contained near the main body inner bottom surface air inhalation part; And prevent that extraneous air from flowing to controller part, control PCB and display but the air deflector of extraneous air director switch device, this air deflector is contained on the base of actuating coil base assembly.
Above-mentioned and other purposes of the present invention, characteristics and advantage can be expressly understood that from the following detailed description of doing with reference to accompanying drawing these figure are:
Fig. 1 is the structural profile view that expression has the induction heating jar of typical cooling air ventilation device;
Fig. 2 is the induction heating jar partial bottom perspective view of Fig. 1, expresses the air inhalation part of typical ventilation unit;
Fig. 3 is the induction heating jar rear portion fragmentary, perspective view of Fig. 1, has represented the air outlet of typical ventilation unit;
Fig. 4 is that expression has the structure cutaway view by the induction heating jar of the ventilation unit of a preferred embodiment of the present invention;
Fig. 5 is the induction heating jar of Fig. 4 removes bottom from the bottom of main body a bottom perspective view; And
Fig. 6 is the perspective view according to ventilation unit air ducting of the present invention.
Referring to Fig. 4, has structure shown in it based on the induction heating jar of the cooling air ventilation device of embodiments of the invention.
Can find out obviously that from the structure of the typical induction heating jar of the structure of the induction heating jar of comparison diagram 4 and Fig. 1 the most of element of this induction heating jar and the element of typical induction heating jar are general.These will have identical label for the general element of this induction heating jar and typical induction heating jar, and these elements be there is no need to explain again.Below referring to Fig. 4 to Fig. 6 to describing based on the novel cooling air ventilation device of the present invention.
Ventilation unit of the present invention comprises the air ducting 31 that is contained in main body 1 inner bottom part.The installing of this guider is to be used to prevent cooling (air) guide controller parts 13, control PCB26 and display 19.The shape that air ducting 31 is become makes it to become two parts that radially cut into by the face of cylinder with open-top bottom lock as shown in Figure 6 and gets.This air ducting 31 comprises flat part 3 and the sweep 32 that extends out from flat part 33, in order to only will cool off air guide radiator 7.The free straight flange of flat part 33 has opening 33a, and preventing compiling the mutual obstruction that the possible meeting of bar causes in installation, these compile bar is the actuating coil base 22 that leads to actuating coil base assembly 4 again.The extension 34 that has for the hole 34a of cartridge screw that extend horizontally away by the side of the flat part 33 of guider 31.Screw hole 34a is in order with one group of screw 36 air ducting 31 to be installed on the actuating coil base 22.When being installed to guider 31 on the actuating coil base 22, guider 31 is to make that formed corresponding screw hole is aimed among the installing plate 4a of the screw hole 34a of guider 31 and the side bottom of actuating coil base 22 with respect to the arrangement of actuating coil base 22, and with bolt 36 be tightened onto on the installing plate 4a.The inboard part of flat part 33 is steps and form step part 33b, and this is in order to prevent that flat part 33 from hindering with other element (not shown) along 31 o'clock mutually to actuating coil base 22 the air-flows guiding being installed.
When in order to cook the induction heating jar with above-mentioned ventilation unit being connected power supply, heating pot begins the operation of cooking by common mode, and fan 8 begins to rotate so that cool off the heat that the switching device 6a of power supply PCB6 is produced simultaneously.The rotation result of fan 8 produces the suction of main body 1 inside to air.Because the effect of inspiratory force, the extraneous air that includes such as dust and moisture enters main body 1 by inspiratory component 27 under the guiding of ventilating duct 29.This ventilating duct 29 is installed near the inner bottom surface inspiratory component 27 of main body 1.Owing to there is the air ducting 31 on the installing plate 4a that is installed on actuating coil base 22, air can not flow to controller part 13 after being introduced into main body 1, control PCB26 and display 19, but be directed to the switching device 6a on radiator 7 and the power supply PCB6 specially.Before being discharged in the air by exhaust outlet 28, air cools off device 6a.
As mentioned above, the cooling air ventilation device based on induction heating jar of the present invention has prevented to be introduced into the impure cooling air flow controller part that heats pot main body, control PCB and all these parts of display reliably.But the cooling air device that partly leads and to be cooled, so prevented controller part, the fault that control PCB and display cause by cooling off impurity such as contained dust moisture in the air.
Though for the purpose of example has been revealed preferred embodiment of the present invention, those skilled in the art should understand do not deviate from the scope of the present invention that discloses by claims and require under various modifications can be arranged, augment and substitute.
Claims (5)
1, the cooling air ventilation device of induction heating jar, it comprises:
A power supply PCB (printed circuit board) is used for the actuating coil power supply to this heating pot, and this power supply PCB places under the actuating coil base assembly that heats pot main body and has a plurality of switching devices thereon;
One is used to produce inspiratory force so that extraneous air sucked aforementioned body and cool off the fan of above-mentioned switching device, and this fan is installed on this power supply PCB bottom surface rotatable;
Inspiratory component on base plate that is installed in aforementioned body under the said fans;
One is used for ventilating duct that external air is led to predetermined direction in the inside of above-mentioned inspiratory component, and this ventilating duct is contained on the inner bottom plating surface of main body near the inspiratory component; And
An air ducting is used to prevent external air flow controller part, control PCB and display, but should the above-mentioned switching device of external air guide, this air ducting is contained on the base of above-mentioned actuating coil base assembly.
2, based on the cooling air ventilation device of claim 1, wherein the said flow guider comprises:
Be used to prevent the above-mentioned controller part of external air flow, above-mentioned control PCB and aforementioned display device but with the air guide part of the above-mentioned switching device of external air guide; And
Be installed in the flat part on the base of above-mentioned actuating coil base assembly, be used to support above-mentioned air guide part, this flat part has a straight type free margins, and a plurality of openings and an extension are arranged on the limit.
3, based on the cooling air ventilation device of claim 2, wherein the opening of the flat part of said flow guider is to hinder mutually in order to prevent air ducting and to be connected between the busbar of actuating coil base assembly.
4, based on the cooling air ventilation device of claim 2, wherein the extension of the flat part of said flow guider has screw hole, is used for this air ducting is installed in bolt the installing plate on the base of actuating coil base assembly.
5, based on the cooling air ventilation device of claim 2, wherein there is step portion in the corner between above-mentioned air guide part and flat part, and this step portion is in order to prevent that above-mentioned flat part and other element of heating pot from hindering mutually.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930018890A KR950007763A (en) | 1993-09-17 | 1993-09-17 | Ventilation device of electromagnetic induction cooker |
| KR18890/93 | 1993-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1104751A true CN1104751A (en) | 1995-07-05 |
Family
ID=19363892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94115360A Pending CN1104751A (en) | 1993-09-17 | 1994-09-16 | Cooling air ventilation device for induction heating jar |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH07163453A (en) |
| KR (1) | KR950007763A (en) |
| CN (1) | CN1104751A (en) |
| GB (1) | GB2282058B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594712B (en) * | 2008-05-26 | 2012-07-18 | 株式会社东芝 | Induction heating cooker |
| CN106998961A (en) * | 2014-12-02 | 2017-08-01 | Seb公司 | Culinary art and/or firing equipment and culinary art and/or heating means |
| CN108652417A (en) * | 2017-03-27 | 2018-10-16 | Seb公司 | The cooking equipment using hot-fluid with agitating device |
| CN110621203A (en) * | 2017-05-24 | 2019-12-27 | 三菱电机株式会社 | Electric rice cooker and heating cooking system |
| CN114947508A (en) * | 2021-02-19 | 2022-08-30 | 上海爱餐机器人(集团)有限公司 | Frame with multiple cooking function all-in-one and all-in-one of adopting this frame |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19712723A1 (en) * | 1997-03-26 | 1998-10-01 | Ego Elektro Geraetebau Gmbh | Electronic component cooler |
| KR100339396B1 (en) * | 2000-03-30 | 2002-06-01 | 구자홍 | Heat radiation structure of control part for refrigerator |
| KR20040022992A (en) * | 2002-09-10 | 2004-03-18 | 엘지전자 주식회사 | air inlet in the rice cooker |
| JP5402217B2 (en) * | 2009-04-28 | 2014-01-29 | タイガー魔法瓶株式会社 | rice cooker |
| CN107969908A (en) * | 2016-10-24 | 2018-05-01 | 飞利浦（嘉兴）健康科技有限公司 | The cooling air duct construction of IH electric pressure pots |
| CN106667245A (en) * | 2015-11-10 | 2017-05-17 | 飞利浦（嘉兴）健康科技有限公司 | Cooling air channel structure for IH electric pressure pot |
| JP7011615B2 (en) * | 2019-02-25 | 2022-01-26 | 日立グローバルライフソリューションズ株式会社 | rice cooker |
| DK180268B1 (en) * | 2019-03-12 | 2020-09-21 | Norqi Aps | An induction heated kettle |
| KR20220082636A (en) * | 2020-12-10 | 2022-06-17 | 엘지전자 주식회사 | Cooking device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2578915B2 (en) * | 1988-06-27 | 1997-02-05 | 松下電器産業株式会社 | Cooking device |
| JPH04187116A (en) * | 1990-11-22 | 1992-07-03 | Matsushita Electric Ind Co Ltd | Fan motor for cooker |
-
1993
- 1993-09-17 KR KR1019930018890A patent/KR950007763A/en not_active Application Discontinuation
-
1994
- 1994-09-12 GB GB9418336A patent/GB2282058B/en not_active Expired - Fee Related
- 1994-09-16 CN CN94115360A patent/CN1104751A/en active Pending
- 1994-09-16 JP JP6221775A patent/JPH07163453A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594712B (en) * | 2008-05-26 | 2012-07-18 | 株式会社东芝 | Induction heating cooker |
| CN106998961A (en) * | 2014-12-02 | 2017-08-01 | Seb公司 | Culinary art and/or firing equipment and culinary art and/or heating means |
| CN108652417A (en) * | 2017-03-27 | 2018-10-16 | Seb公司 | The cooking equipment using hot-fluid with agitating device |
| CN108652417B (en) * | 2017-03-27 | 2022-03-22 | Seb公司 | Cooking appliance with stirring device using heat flow |
| CN110621203A (en) * | 2017-05-24 | 2019-12-27 | 三菱电机株式会社 | Electric rice cooker and heating cooking system |
| CN110621203B (en) * | 2017-05-24 | 2021-06-04 | 三菱电机株式会社 | Electric rice cooker and heating cooking system |
| CN114947508A (en) * | 2021-02-19 | 2022-08-30 | 上海爱餐机器人(集团)有限公司 | Frame with multiple cooking function all-in-one and all-in-one of adopting this frame |
Also Published As
| Publication number | Publication date |
|---|---|
| KR950007763A (en) | 1995-04-15 |
| GB2282058B (en) | 1997-07-30 |
| GB9418336D0 (en) | 1994-11-02 |
| JPH07163453A (en) | 1995-06-27 |
| GB2282058A (en) | 1995-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) |